| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a heat pump type hot water supply heating device capable of coping with both of a case when the storage of hot water of high temperature and the hot-water heating are simultaneously performed or in a case when one of them is performed. <P>SOLUTION: This heat pump type hot-water supply heating device is provided with a refrigerant circuit R formed by successively circularly connecting a compressor 11 of which the capacity is adjustable, a parallel circuit of a first branch passage P1 composed of a first water refrigerant heat exchanger 9, a first switch valve 13 and a first decompressor 4, a second branch passage P2 composed of a second water refrigerant heat exchanger 15, a second switch valve 16 and a second decompressor 17, and an air heat exchanger 18, and comprises a first hot water circulation passage C1 for circulating the hot water between the first water refrigerant heat exchanger 9, and a hot water heater such as floor heating panels 1, 2 and the like, and a second hot water circulating passage C2 for circulating the hot water between the second water refrigerant heat exchanger 15 and the hot water storage tank 27. <P>COPYRIGHT: (C)2004,JPO&NCIPI |
